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author | Paolo Bonzini <pbonzini@redhat.com> | 2017-11-29 11:25:13 +0100 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2017-11-29 15:26:21 +0100 |
commit | fc24908e7d232b79c2a6f0363f52bda18dedb57b (patch) | |
tree | c9845836381e9ca9745e01b7e3e00c820dee6af3 /qemu-tech.texi | |
parent | 356f59b8757f47c0aca3e2e4e51d6010f64cade1 (diff) |
blockjob: reimplement block_job_sleep_ns to allow cancellation
This reverts the effects of commit 4afeffc857 ("blockjob: do not allow
coroutine double entry or entry-after-completion", 2017-11-21)
This fixed the symptom of a bug rather than the root cause. Canceling the
wait on a sleeping blockjob coroutine is generally fine, we just need to
make it work correctly across AioContexts. To do so, use a QEMUTimer
that calls block_job_enter. Use a mutex to ensure that block_job_enter
synchronizes correctly with block_job_sleep_ns.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-By: Jeff Cody <jcody@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-tech.texi')
0 files changed, 0 insertions, 0 deletions